ZIP code · Oakland · California · United States
ZIP code 94621 — Oakland
ZIP code 94621 serves Oakland, California.
- Postal code
- 94621Single source Value from one source, not cross-checked.
- City
- Oakland
- County
- Alameda FIPS 06001
- State
- California
- Country
- United States
- Coordinates
- 37.7589, -122.1853 — precision precise (locality)
View on OpenStreetMap - Population
- 34,658 (ZCTA, ACS 5-year)
- Population density
- 4,071 / sq mi
- Land area
- 8.5 sq mi (22.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $53,106
- Per-capita income
- $24,754
- Median age
- 33.4
- Households
- 10,494
- Housing units
- 11,078
- Median home value
- $537,600
- Median gross rent
- $1,527 / month
- Congressional district
- CA-12 (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
- Area code
- 925 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 94621 with another ZIP · ZIPs within 25 miles · distance from 94621
Map of ZIP code 94621
Climate — monthly normals
Warmest month Sep (avg high 74°F), coldest Jan (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 60 | 63 | 66 | 68 | 71 | 72 | 72 | 74 | 72 | 64 | 58 |
| Avg low °F | 42 | 45 | 47 | 49 | 52 | 54 | 56 | 57 | 56 | 51 | 46 | 42 |
| Precip in | 3.4 | 3.5 | 2.7 | 1.4 | 0.6 | 0.2 | 0.0 | 0.0 | 0.1 | 0.9 | 2.0 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: OAKLAND METRO INTL AP (3.2 mi) · NOAA NCEI
Places in ZIP 94621
- 17 schools
- 1 colleges & universities
- 3 hospitals & clinics
- 1 doctors & dentists
- 48 restaurants & cafés
- 2 bars & pubs
- 11 parks
- 22 playgrounds
- 3 gyms & sports centres
- 3 libraries
- 2 post offices
- 30 places of worship
- 2 banks
- 7 gas stations
- 18 EV charging stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page